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3 years ago

Find the least common multiple of 4, 2, and 7

Mathematics

2 answers:

amm18123 years ago

5 0

Answer:

Step-by-step explanation:

So we know that 2 is already a multiple of 4 so we can just find the least common multiple of 4 and 7. So we can do:

4, 8, 12, 16, 20, 24, 28

7, 14, 21, 28

So the least common multiple between 4, 2, and 7 is 28

RUDIKE [14]3 years ago

5 0

2,4,6,8,10,12,14,16,18,20,22,24,26,(28)

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Hannah can paint a room in 20 hours. Destiny can paint the same room in 16 hours. How long does it take for both Hannah and Dest

UNO [17]

Amount of room hannah can paint in an hour = 1/20
amount of room destiny can paint in an hour = 1/16
number of hours = x

1/20x + 1/16x = 1
the reason why this formula is true is, the amount of the room painted in the end should be 1 (the whole room)

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3 years ago

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Step-by-step explanation:

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3 years ago

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Svet_ta [14]

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Step-by-step explanation:

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3 years ago

Each leg of a 45-45-90 triangle measures 14 cm what is the length of the hypotenuse

PtichkaEL [24]

Answer:

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Step-by-step explanation:

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3 years ago

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Andreyy89

Answer:

[?] = 4

(the complete term is $4\frac{1}{2}\ \text{cups}$ )

Step-by-step explanation:

$8\ \text{cups} - 1\frac{1}{3}\ \text{cups} - 2\frac{1}{6}\ \text{cups} = (8-1-2)\ \text{cups} + \frac{-\frac{6}{3} - 1}{6}\ \text{cups} = 5\ \text{cups} + \frac{-3}{6}\ \text{cups} = 5\ \text{cups} + \frac{-1}{2}\ \text{cups} = 4\ \text{cups} + \frac{2 - 1}{2}\ \text{cups}$

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